diff --git a/cluster/cluster.go b/cluster/cluster.go
index 4bc6520..5998648 100644
--- a/cluster/cluster.go
+++ b/cluster/cluster.go
@@ -221,8 +221,8 @@ func (slf *CCluster) Call(NodeServiceMethod string, args interface{}, reply inte
 	var callServiceName string
 	nodeidList := slf.GetNodeList(NodeServiceMethod, &callServiceName)
 	if len(nodeidList) > 1 || len(nodeidList) < 1 {
-		service.GetLogger().Printf(sysmodule.LEVER_ERROR, "CCluster.Call(%s) not find nodes.", NodeServiceMethod)
-		return fmt.Errorf("CCluster.Call(%s) not find nodes.", NodeServiceMethod)
+		service.GetLogger().Printf(sysmodule.LEVER_ERROR, "CCluster.Call(%s) find nodes count %d is error.", NodeServiceMethod, len(nodeidList))
+		return fmt.Errorf("CCluster.Call(%s) find nodes count %d is error.", NodeServiceMethod, len(nodeidList))
 	}
 
 	nodeid := nodeidList[0]
diff --git a/cluster/config.go b/cluster/config.go
index 3aad6d0..1758c88 100644
--- a/cluster/config.go
+++ b/cluster/config.go
@@ -81,7 +81,10 @@ func ReadCfg(path string, nodeid int) (*ClusterConfig, error) {
 	for _, cn := range custerNodeName {
 		for _, n := range c.mapIdNode {
 			if n.NodeName == cn {
-				c.mapClusterNodeService[n.NodeName] = append(c.mapClusterNodeService[n.NodeName], n)
+				nodeList := c.mapClusterNodeService[n.NodeName]
+				if IsExistsNode(nodeList, &n) == false {
+					c.mapClusterNodeService[n.NodeName] = append(c.mapClusterNodeService[n.NodeName], n)
+				}
 			}
 		}
 	}
@@ -143,3 +146,13 @@ func (slf *ClusterConfig) HasLocalService(serviceName string) bool {
 	_, ok := slf.currentNode.ServiceList[serviceName]
 	return ok == true
 }
+
+func IsExistsNode(nodelist []CNode, pNode *CNode) bool {
+	for _, node := range nodelist {
+		if node.NodeID == pNode.NodeID {
+			return true
+		}
+	}
+
+	return false
+}
diff --git a/rpc/server.go b/rpc/server.go
index a7530d5..a182090 100644
--- a/rpc/server.go
+++ b/rpc/server.go
@@ -312,7 +312,7 @@ func suitableMethods(prefix string, typ reflect.Type, reportErr bool) map[string
 		// Method needs three ins: receiver, *args, *reply.
 		if mtype.NumIn() != 3 {
 			if reportErr {
-				//log.Printf("rpc.Register: method %q has %d input parameters; needs exactly three\n", mname, mtype.NumIn())
+				log.Printf("rpc.Register: method %q has %d input parameters; needs exactly three\n", mname, mtype.NumIn())
 			}
 			continue
 		}
@@ -320,7 +320,7 @@ func suitableMethods(prefix string, typ reflect.Type, reportErr bool) map[string
 		argType := mtype.In(1)
 		if !isExportedOrBuiltinType(argType) {
 			if reportErr {
-				//log.Printf("rpc.Register: argument type of method %q is not exported: %q\n", mname, argType)
+				log.Printf("rpc.Register: argument type of method %q is not exported: %q\n", mname, argType)
 			}
 			continue
 		}
@@ -328,28 +328,28 @@ func suitableMethods(prefix string, typ reflect.Type, reportErr bool) map[string
 		replyType := mtype.In(2)
 		if replyType.Kind() != reflect.Ptr {
 			if reportErr {
-				//log.Printf("rpc.Register: reply type of method %q is not a pointer: %q\n", mname, replyType)
+				log.Printf("rpc.Register: reply type of method %q is not a pointer: %q\n", mname, replyType)
 			}
 			continue
 		}
 		// Reply type must be exported.
 		if !isExportedOrBuiltinType(replyType) {
 			if reportErr {
-				//log.Printf("rpc.Register: reply type of method %q is not exported: %q\n", mname, replyType)
+				log.Printf("rpc.Register: reply type of method %q is not exported: %q\n", mname, replyType)
 			}
 			continue
 		}
 		// Method needs one out.
 		if mtype.NumOut() != 1 {
 			if reportErr {
-				//log.Printf("rpc.Register: method %q has %d output parameters; needs exactly one\n", mname, mtype.NumOut())
+				log.Printf("rpc.Register: method %q has %d output parameters; needs exactly one\n", mname, mtype.NumOut())
 			}
 			continue
 		}
 		// The return type of the method must be error.
 		if returnType := mtype.Out(0); returnType != typeOfError {
 			if reportErr {
-				//log.Printf("rpc.Register: return type of method %q is %q, must be error\n", mname, returnType)
+				log.Printf("rpc.Register: return type of method %q is %q, must be error\n", mname, returnType)
 			}
 			continue
 		}